diff --git a/test.cpp b/test.cpp
index 2902279c..2baf9581 100644
--- a/test.cpp
+++ b/test.cpp
@@ -2525,6 +2525,7 @@ int main()
         RUN_TEST( test_client_server_message_failed_to_serialize_unreliable_unordered );
         RUN_TEST( test_client_server_message_exhaust_stream_allocator );
         RUN_TEST( test_client_server_message_receive_queue_overflow );
+        RUN_TEST( test_reliable_outbound_sequence_outdated );
 
         RUN_TEST( test_single_message_type_reliable );
         RUN_TEST( test_single_message_type_reliable_blocks );